/**
 * 
 */
package com.bbdjt.weixin.filter;


import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.bbdjt.weixin.util.Constants;





public class JurisdictionInterceptor implements HandlerInterceptor{
	private final Logger log = LoggerFactory.getLogger(JurisdictionInterceptor.class);
	private List<String> excludedUrls;
	/*
	 * 利用正则映射到需要拦截的路径    
	 
    private String mappingURL;
    
    public void setMappingURL(String mappingURL) {    
               this.mappingURL = mappingURL;    
    }   
  */
    /** 
     * 在业务处理器处理请求之前被调用 
     * 如果返回false 
     *     从当前的拦截器往回执行所有拦截器的afterCompletion(),再退出拦截器链
     * 如果返回true 
     *    执行下一个拦截器,直到所有的拦截器都执行完毕 
     *    再执行被拦截的Controller 
     *    然后进入拦截器链, 
     *    从最后一个拦截器往回执行所有的postHandle() 
     *    接着再从最后一个拦截器往回执行所有的afterCompletion() 
     */  
    @Override  
    public boolean preHandle(HttpServletRequest request,  
            HttpServletResponse response, Object handler) throws Exception {  
    	
    	 /*String requestUri = request.getRequestURI();
         for (String url : excludedUrls) {
             if (requestUri.endsWith(url)) {
                 return true;
             }
         }
         
		String url = requestUri.substring(request.getContextPath().length());
		
        if(null==request.getSession().getAttribute(Constants.SESSION_USERINFO_ENTITY)){
        	request.getRequestDispatcher("/web/login.jsp?url="+url).forward(request, response);
        	return false;
        }else*/
            return true;   
    }  
  
    /**
     * 在业务处理器处理请求执行完成后,生成视图之前执行的动作   
     * 可在modelAndView中加入数据，比如当前时间
     */
    @Override  
    public void postHandle(HttpServletRequest request,  
            HttpServletResponse response, Object handler,  
            ModelAndView modelAndView) throws Exception {   
        //log.info("==============执行顺序: 2、postHandle================");  
       /* if(modelAndView != null){  //加入当前时间  
            modelAndView.addObject("var", "测试postHandle");  
        }  */
    }  
  
    /** 
     * 在DispatcherServlet完全处理完请求后被调用,可用于清理资源等  
     *  
     * 当有拦截器抛出异常时,会从当前拦截器往回执行所有的拦截器的afterCompletion() 
     */  
    @Override  
    public void afterCompletion(HttpServletRequest request,  
            HttpServletResponse response, Object handler, Exception ex)  
            throws Exception {  
      //  log.info("==============执行顺序: 3、afterCompletion================");  
    }  
    
    public List<String> getExcludedUrls() {
        return excludedUrls;
    }

    public void setExcludedUrls(List<String> excludedUrls) {
        this.excludedUrls = excludedUrls;
    }

}  
